The current National Institute of Optics (INO) has been working for over ninety years in the field of Optics, understood in its broadest meaning, and has updated its fields of activity in line with the huge innovations that have characterized this area over the last century. Nowadays, its activities are: pure and applied research, technological transfer, consulting for public institutions and businesses. These are accompanied by metrology measurements and testing services (again for public institutions and businesses), and training activities.